Objects in the image:
category: person
category: backpack
category: person
category: person
category: person
category: backpack
category: person
category: person
category: tennis racket
category: person
category: backpack
category: person
category: person
category: person
category: handbag
category: person
category: person
category: person
category: handbag

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: one among the audience?
a: No
q: the white shirt standing near the net?
a: No
q: the player with the racket?
a: No
q: inside the court?
a: Yes
q: person is sitting?
a: No